This project is created by

cargo new hodl-backend --bin

Install rust

brew install rustup

# https://doc.rust-lang.org/edition-guide/rust-2018/rustup-for-managing-rust-versions.html
# https://rust-lang.github.io/rustup-components-history/
rustup toolchain install nightly-2021-05-30
rustup default nightly-2021-05-20

Lint

rustup component add clippy
cargo clippy

// have this at top of file
#![warn(
    clippy::all,
    clippy::restriction,
    clippy::pedantic,
    clippy::cargo
  )]

Build

cargo build

Run

cargo run

VSCode setup

code --install-extension matklad.rust-analyzer
code --install-extension vadimcn.vscode-lldb

https://stackoverflow.com/questions/46885292/how-to-launch-a-rust-application-from-visual-studio-code

References

https://www.bybt.com/pro

https://genekuo.medium.com/creating-a-rest-api-in-rust-with-persistence-rust-rocket-and-diesel-a4117d400104

https://rust-lang.github.io/rustup-components-history/

Docker

https://kerkour.com/blog/rust-small-docker-image/

https://blog.logrocket.com/packaging-a-rust-web-service-using-docker/

Crypto Price API

LunarCrush

https://lunarcrush.com/developers/docs#assets

Messari

https://messari.io/api

CryptoWatch (streaming, WebSocket)

https://docs.cryptowat.ch/websocket-api/

F2INJ703C974UAAG3CNP iq9kWxgeyxaboRzsIEjhVFlsRIjb6S1mCxL/Xn0C

wscat --connect "wss://stream.cryptowat.ch/connect?apikey=F2INJ703C974UAAG3CNP"

# https://docs.cryptowat.ch/websocket-api/data-subscriptions
> {"subscribe":{"subscriptions":[{"streamSubscription":{"resource":"pairs:9:trades"}}]}}
> {"subscribe":{"subscriptions":[{"streamSubscription":{"resource":"instruments:9:trades"}}]}}

https://github.com/websockets/wscat

Coin Market Cap

https://pro.coinmarketcap.com/

❯ curl -H "X-CMC_PRO_API_KEY: 791711f6-efb5-461c-87ac-3d8d810f71e0" -H "Accept: application/json" -d "start=1&limit=100&convert=USD" -G https://pro-api.coinmarketcap.com/v1/cryptocurrency/listings/latest

FTX (discontinued function)

wscat --connect "wss://ftx.com/ws/"
> {"op": "subscribe", "channel": "trades", "market": "BTC-PERP"}

Sample

{
  "channel": "trades",
  "market": "BTC-PERP",
  "type": "update",
  "data": [
    {
      "id": 1298904051,
      "price": 39798.0,
      "size": 0.1028,
      "side": "sell",
      "liquidation": false,
      "time": "2021-06-15T11:54:13.596405+00:00"
    },
    {
      "id": 1298904052,
      "price": 39798.0,
      "size": 0.0047,
      "side": "sell",
      "liquidation": false,
      "time": "2021-06-15T11:54:13.596405+00:00"
    },
    {
      "id": 1298904053,
      "price": 39798.0,
      "size": 0.19,
      "side": "sell",
      "liquidation": false,
      "time": "2021-06-15T11:54:13.596405+00:00"
    }
  ]
}

Binance API

wscat --connect wss://stream.binance.com:9443/ws/BTC/USDT@bookTicker
> {"method": "SUBSCRIBE","params":["btcusdt@aggTrade","btcusdt@depth"],"id": 1}